Created
July 6, 2012 00:42
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Global Error Handler For ASP.NET MVC 3
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| public static bool IsIt404NotFound(this Exception ex) | |
| { | |
| var httpException = ex as HttpException; | |
| return httpException != null && httpException.GetHttpCode() == 404; | |
| } |
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| protected void Application_Error(object sender, EventArgs e) | |
| { | |
| var exception = Server.GetLastError(); | |
| if (exception.IsIt404NotFound()) | |
| { | |
| renderNotFoundView(); | |
| } | |
| else | |
| { | |
| renderErrorView(exception); | |
| } | |
| } | |
| private void renderErrorView(Exception exception) | |
| { | |
| var exceptionMessageViewData = new[] { new KeyValuePair<string, object>("ExceptionMessage", exception)}; | |
| var currentHtppContextBase = HttpContext.Current.GetHttpContextBase(); | |
| currentHtppContextBase.RenderViewToHttpContextResponse("Error", viewDataPairs: exceptionMessageViewData); | |
| currentHtppContextBase.SetStatusCodeTo(500); | |
| } | |
| private void renderNotFoundView() | |
| { | |
| var currentHtppContextBase = HttpContext.Current.GetHttpContextBase(); | |
| currentHtppContextBase.RenderViewToHttpContextResponse("NotFound", "NotFound"); | |
| currentHtppContextBase.SetStatusCodeTo(404); | |
| } |
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| internal static class HttpContextExtensions | |
| { | |
| internal static HttpContextBase GetHttpContextBase(this HttpContext httpContext) | |
| { return new HttpContextWrapper(httpContext); | |
| } | |
| internal static void SetStatusCodeTo(this HttpContextBase httpContextBase, int statusCode) | |
| { | |
| httpContextBase.Response.StatusCode = statusCode; | |
| } | |
| internal static void RenderViewToHttpContextResponse(this HttpContextBase httpContextBase, string viewName, string forceControllerName = null, IEnumerable<KeyValuePair<string, object>> viewDataPairs = null) | |
| { | |
| try | |
| { | |
| httpContextBase.Response.Clear(); | |
| var currentRequestContext = ((MvcHandler)httpContextBase.CurrentHandler).RequestContext; | |
| var factory = ControllerBuilder.Current.GetControllerFactory(); | |
| var controllerName = string.IsNullOrEmpty(forceControllerName) | |
| ? currentRequestContext.RouteData.GetRequiredString("controller") | |
| : forceControllerName; | |
| var controller = factory.CreateController(currentRequestContext, controllerName); | |
| var controllerContext = new ControllerContext(currentRequestContext, (ControllerBase)controller); | |
| var viewResult = new ViewResult { ViewName = viewName }; | |
| if (viewDataPairs != null) | |
| { | |
| foreach (var viewData in viewDataPairs) | |
| { | |
| viewResult.ViewData.Add(viewData); | |
| } | |
| } | |
| viewResult.ExecuteResult(controllerContext); | |
| httpContextBase.Server.ClearError(); | |
| } | |
| catch | |
| { | |
| } | |
| } | |
| } |
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